Tire tread



FIG. 1 is a perspective view of a tire tread, it being understood that the pattern is repeated uniformly throughout the circumference of the tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof; the opposite side elevational view being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front view thereof.

The broken lines defining the tire inner bead and the peripheral boundary between the tire tread and the sidewall are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 